Modular construction in Montréal-Ouest

Montréal-Ouest at a glance

Modular construction in Montréal-Ouest

In Montréal-Ouest and the Montréal region, modular construction is especially suited to residential projects on private land. Modules are built in a factory, sheltered from the weather, then delivered and assembled on a permanent foundation — cutting on-site timelines and weather dependence, two very real constraints outside the major centres.

Comparing factory prices alone would be misleading: a project in Montréal-Ouest also includes the land, the foundation, the connections and transporting the modules to the municipality. The good news on financing — once on its foundation, a modular home is treated like any other residence.

Read the complete modular home guide · Detailed prices · Choosing a builder

Permits and regulations in Montréal-Ouest

Montréal-Ouest's zoning dictates where and how the home can be sited (setbacks, height, placement), and a municipal permit is required before work begins. The Quebec Building Code (RBQ) applies to the whole project; the factory-built portion is governed by CSA A277 certification, while the foundation, connections and assembly are inspected by the municipality.

Check zoning rules and permit applications directly with the municipality: montreal-west.ca/fr/.

Where to find the rules in Montréal-Ouest

Rules are specific to Montréal-Ouest and the target zone. Before buying land or ordering modules, confirm these with the relevant authorities:

• Zoning & planning by-laws — Permitted uses, setbacks, height and siting — and whether factory-built homes are allowed in the target zone in Montréal-Ouest. montreal-west.ca →
• Building permit — Application form, required documents and timelines from Montréal-Ouest's planning department. montreal-west.ca →
• Regional land-use plan — Regional land-use designations, managed by the Montréal MRC. View →
• Agricultural zone (CPTAQ) — If the lot is in an agricultural zone, Commission authorization may be required before building. www.cptaq.gouv.qc.ca →
• Septic systems & wells — Off municipal services, Regulation Q-2, r.22 governs septic installations. www.environnement.gouv.qc.ca →
• Building code & RBQ licence — Verify your builder's RBQ licence and Quebec Building Code requirements. www.rbq.gouv.qc.ca →
• Guide: building permits in Quebec — Our step-by-step guide to permit procedures for a modular building. View →
• Modular construction glossary — Zoning, minor variance, CSA A277, turnkey… every project term explained simply. View →
• In person — Montréal-Ouest city hall: 50, avenue Westminster Sud.

Modular builders serving Montréal-Ouest

Modular buildings are factory-built then transported to the site, so a builder does not need to be based in Montréal-Ouest to deliver a project there. Most Quebec factories serve the entire province, including Montréal. Always verify the company's RBQ licence and get several quotes.

To compare manufacturers active in Quebec, see our modular builders guide.

Frequently asked questions